Home / 98,221.74-147,233.97-31,612.92

Finding the Fourth Proportional to 98,221.74, 147,233.97 and 31,612.92

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Solution

The fourth proportional to 98,221.74, 147,233.97 and 31,612.92 is: 47,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,221.74 : 147,233.97 = 31,612.92 : x
  2. Step 2: Convert to fraction form
    98,221.74/147,233.97 = 31,612.92/x
  3. Step 3: Cross multiply
    98,221.74x = 147,233.97 × 31,612.92
  4. Step 4: Simplify right side
    98,221.74x = 4,654,495,714.89
  5. Step 5: Solve for x
    x = 4,654,495,714.89/98,221.74
  6. Step 6: Final answer
    x = 47,387.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.